From mboxrd@z Thu Jan  1 00:00:00 1970
To: 9fans@cse.psu.edu
From: Ralph Corderoy <ralph@inputplus.demon.co.uk>
Message-ID: <9p9rfv$bht$1@inputplus.demon.co.uk>
References: <20011001120906.C949B19A0D@mail.cse.psu.edu>
Subject: Re: [9fans] on the topic of viruses
Date: Mon,  1 Oct 2001 14:10:32 +0000
Topicbox-Message-UUID: f9354f3c-eac9-11e9-9e20-41e7f4b1d025

Hi,

> I'll let someone who knows answer, such as Dennis.
> Boyd is wrong.

I thought that Thompson did it quite early on and by the time he
announced it with that paper the compiler had long since been replaced
by Johnson's PCC.

PCC was at its late formalative stage around March 1976 according to
Dennis.

    http://cm.bell-labs.com/cm/cs/who/dmr/firstport.html


Ralph.